29493918 has 12 divisors (see below), whose sum is σ = 63903528. Its totient is φ = 9831300.

The previous prime is 29493913. The next prime is 29493931. The reversal of 29493918 is 81939492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29493911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 819258 + ... + 819293.

It is an arithmetic number, because the mean of its divisors is an integer number (5325294).

Almost surely, 2^29493918 is an apocalyptic number.

29493918 is an abundant number, since it is smaller than the sum of its proper divisors (34409610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29493918 is a wasteful number, since it uses less digits than its factorization.

29493918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638559 (or 1638556 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 29493918 is about 5430.8303232563. The cubic root of 29493918 is about 308.9660942469.

The spelling of 29493918 in words is "twenty-nine million, four hundred ninety-three thousand, nine hundred eighteen".